22284493 has 16 divisors (see below), whose sum is σ = 28993536. Its totient is φ = 16608240.

The previous prime is 22284469. The next prime is 22284497. The reversal of 22284493 is 39448222.

It is not a de Polignac number, because 22284493 - 2⁵ = 22284461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22284497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4521 + ... + 8062.

It is an arithmetic number, because the mean of its divisors is an integer number (1812096).

Almost surely, 2^22284493 is an apocalyptic number.

22284493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22284493 is a deficient number, since it is larger than the sum of its proper divisors (6709043).

22284493 is a wasteful number, since it uses less digits than its factorization.

22284493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12624.

The product of its digits is 27648, while the sum is 34.

The square root of 22284493 is about 4720.6454007900. The cubic root of 22284493 is about 281.4065828985.

The spelling of 22284493 in words is "twenty-two million, two hundred eighty-four thousand, four hundred ninety-three".